Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, nhung cong
hanh tranh » canh tranh, hanh trinh, hanh trang
hung vuong » hoang vuong
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
vat thanh » dat thanh, gat thanh, tat thanh
vat tuan » van tuan, va tuan, viet tuan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh tranh cua ((nhung tuong) OR (hung vuong)) ((vat tuan) or (vat thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh tranh cua ((nhung tuong) OR (hung vuong)) ((vat tuan) OR (vat thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh tranh cua ((nhung tuong) OR (hung vuong)) ((vat tuan) or (vat thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tranh cua ((nhung tuong) OR (hung vuong)) ((vat tuan) or (vat thanh)) cau*.